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CVE-2026-46061 jbd2: fix deadlock in jbd2_journal_cancel_revoke()

🗓️ 27 May 2026 12:57:22Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

Fix ABBA deadlock in jbd2_journal_cancel_revoke by only calling __find_get_block_nonatomic() if the buffer_head maps to a different device.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-46061
27 May 202612:57
attackerkb
Tenable Nessus
Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1753)
27 May 202600:00
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1754)
27 May 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-46061
28 May 202600:00
nessus
Amazon
Important: kernel6.12
26 May 202600:00
amazon
Amazon
Important: kernel6.18
26 May 202600:00
amazon
CNNVD
Linux kernel 安全漏洞
27 May 202600:00
cnnvd
CVE
CVE-2026-46061
27 May 202612:57
cve
Debian CVE
CVE-2026-46061
27 May 202612:57
debiancve
EUVD
EUVD-2026-32443
27 May 202612:57
euvd
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/jbd2/revoke.c"
    ],
    "versions": [
      {
        "version": "f1c5aa614b5c251f93a6a4c8c26001d5e9e53fd6",
        "lessThan": "dff07cc98fdf6af57a7c054dc09b2050a9d5c287",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f76d4c28a46a9260d85e00dafc8f46d369365d33",
        "lessThan": "2b2fee890250ab647a601124471a334bb01a0790",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f76d4c28a46a9260d85e00dafc8f46d369365d33",
        "lessThan": "bbd943d6a2d566428324b516a37f98328dfb802d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f76d4c28a46a9260d85e00dafc8f46d369365d33",
        "lessThan": "981fcc5674e67158d24d23e841523eccba19d0e7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1bb7a4b6b3d7dd8da6f5a9d0529d42c22a359e71",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.12.31",
        "lessThan": "6.12.86",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.14.9",
        "lessThan": "6.15",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/jbd2/revoke.c"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.86",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.27",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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14 Jun 2026 17:51Current
EPSS0.00094
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